From patchwork Sun Jan 8 20:42:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arseniy Krasnov X-Patchwork-Id: 13092718 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6E192C54EBC for ; Sun, 8 Jan 2023 20:42:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234936AbjAHUmY (ORCPT ); Sun, 8 Jan 2023 15:42:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47364 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233253AbjAHUmM (ORCPT ); Sun, 8 Jan 2023 15:42:12 -0500 Received: from mx.sberdevices.ru (mx.sberdevices.ru [45.89.227.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BF94EB7E9; Sun, 8 Jan 2023 12:42:10 -0800 (PST) Received: from s-lin-edge02.sberdevices.ru (localhost [127.0.0.1]) by mx.sberdevices.ru (Postfix) with ESMTP id 3554B5FD04; Sun, 8 Jan 2023 23:42:09 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sberdevices.ru; s=mail; t=1673210529; bh=ANEKJ6F8QuXnin42o/uUpelhBVJ43NT/3G5MapBsZtg=; h=From:To:Subject:Date:Message-ID:Content-Type:MIME-Version; b=Ah43FrNSP2uI2dIe678uY/6TdUTRa7ZwfHkgqpdmLfnr5mmuUScIy/TVtIfb2KX6U kPcltWqT/cVasigXc+qa6E75bn39bfdBnn9N4KO/mSSiPEFmIC8cy3B/sd3qmh/Lvv DL1rauFyaersSZ9xEjzcF9oDmF9pR65cm4qVjnk0eTQi/FE8FGoglO6NaBbC/gakVL P+5IYyUgCGzjgjlL7+CUZbs6hGqMJwqIZafF+reRghAzHALVpKhqzkzOO6v19luN5N Aium2RaPOaCaQB7h4pNraQYBxLM6hpudtbCFRphuPa3BlvByUGz/Em3sVonMW1F8q1 HDHSrN7SgVW2g== Received: from S-MS-EXCH02.sberdevices.ru (S-MS-EXCH02.sberdevices.ru [172.16.1.5]) by mx.sberdevices.ru (Postfix) with ESMTP; Sun, 8 Jan 2023 23:42:08 +0300 (MSK) From: Arseniy Krasnov To: Stefano Garzarella , "edumazet@google.com" , "David S. Miller" , "Jakub Kicinski" , Paolo Abeni CC: "linux-kernel@vger.kernel.org" , "netdev@vger.kernel.org" , "virtualization@lists.linux-foundation.org" , kernel , Arseniy Krasnov , Bobby Eshleman , Krasnov Arseniy Subject: [PATCH net-next v6 3/4] test/vsock: add big message test Thread-Topic: [PATCH net-next v6 3/4] test/vsock: add big message test Thread-Index: AQHZI6Gtyb60bltUoEi5UXHBE/ekKA== Date: Sun, 8 Jan 2023 20:42:08 +0000 Message-ID: <39b92af5-96b9-b4d2-b6a8-125b3f060680@sberdevices.ru> In-Reply-To: <9ad41d2b-bbe9-fe55-3aba-6a1281b6aa1b@sberdevices.ru> Accept-Language: en-US, ru-RU Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.16.1.12] Content-ID: <9E684EA2101AC246A1FDD08F00A2096D@sberdevices.ru> MIME-Version: 1.0 X-KSMG-Rule-ID: 4 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Status: not scanned, disabled by settings X-KSMG-AntiSpam-Interceptor-Info: not scanned X-KSMG-AntiPhishing: not scanned, disabled by settings X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 1.1.2.30, bases: 2023/01/08 17:38:00 #20747751 X-KSMG-AntiVirus-Status: Clean, skipped Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org This adds test for sending message, bigger than peer's buffer size. For SOCK_SEQPACKET socket it must fail, as this type of socket has message size limit. Signed-off-by: Arseniy Krasnov Reviewed-by: Stefano Garzarella --- tools/testing/vsock/vsock_test.c | 69 ++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) diff --git a/tools/testing/vsock/vsock_test.c b/tools/testing/vsock/vsock_test.c index 26c38ad9d07b..67e9f9df3a8c 100644 --- a/tools/testing/vsock/vsock_test.c +++ b/tools/testing/vsock/vsock_test.c @@ -569,6 +569,70 @@ static void test_seqpacket_timeout_server(const struct test_opts *opts) close(fd); } +static void test_seqpacket_bigmsg_client(const struct test_opts *opts) +{ + unsigned long sock_buf_size; + ssize_t send_size; + socklen_t len; + void *data; + int fd; + + len = sizeof(sock_buf_size); + + fd = vsock_seqpacket_connect(opts->peer_cid, 1234); + if (fd < 0) { + perror("connect"); + exit(EXIT_FAILURE); + } + + if (getsockopt(fd, AF_VSOCK, SO_VM_SOCKETS_BUFFER_SIZE, + &sock_buf_size, &len)) { + perror("getsockopt"); + exit(EXIT_FAILURE); + } + + sock_buf_size++; + + data = malloc(sock_buf_size); + if (!data) { + perror("malloc"); + exit(EXIT_FAILURE); + } + + send_size = send(fd, data, sock_buf_size, 0); + if (send_size != -1) { + fprintf(stderr, "expected 'send(2)' failure, got %zi\n", + send_size); + exit(EXIT_FAILURE); + } + + if (errno != EMSGSIZE) { + fprintf(stderr, "expected EMSGSIZE in 'errno', got %i\n", + errno); + exit(EXIT_FAILURE); + } + + control_writeln("CLISENT"); + + free(data); + close(fd); +} + +static void test_seqpacket_bigmsg_server(const struct test_opts *opts) +{ + int fd; + + fd = vsock_seqpacket_accept(VMADDR_CID_ANY, 1234, NULL); + if (fd < 0) { + perror("accept"); + exit(EXIT_FAILURE); + } + + control_expectln("CLISENT"); + + close(fd); +} + #define BUF_PATTERN_1 'a' #define BUF_PATTERN_2 'b' @@ -851,6 +915,11 @@ static struct test_case test_cases[] = { .run_client = test_stream_poll_rcvlowat_client, .run_server = test_stream_poll_rcvlowat_server, }, + { + .name = "SOCK_SEQPACKET big message", + .run_client = test_seqpacket_bigmsg_client, + .run_server = test_seqpacket_bigmsg_server, + }, {}, };